28 lines
1.3 KiB
Makefile
28 lines
1.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
lib-y := bitops.o clear_user.o delay.o copy_from_user.o \
|
|
copy_to_user.o copy_in_user.o copy_page.o \
|
|
clear_page.o memchr.o memcpy.o memmove.o memset.o \
|
|
memcmp.o strcmp.o strncmp.o strlen.o strnlen.o \
|
|
strchr.o strrchr.o tishift.o
|
|
|
|
# Tell the compiler to treat all general purpose registers (with the
|
|
# exception of the IP registers, which are already handled by the caller
|
|
# in case of a PLT) as callee-saved, which allows for efficient runtime
|
|
# patching of the bl instruction in the caller with an atomic instruction
|
|
# when supported by the CPU. Result and argument registers are handled
|
|
# correctly, based on the function prototype.
|
|
lib-$(CONFIG_ARM64_LSE_ATOMICS) += atomic_ll_sc.o
|
|
CFLAGS_atomic_ll_sc.o := -fcall-used-x0 -ffixed-x1 -ffixed-x2 \
|
|
-ffixed-x3 -ffixed-x4 -ffixed-x5 -ffixed-x6 \
|
|
-ffixed-x7 -fcall-saved-x8 -fcall-saved-x9 \
|
|
-fcall-saved-x10 -fcall-saved-x11 -fcall-saved-x12 \
|
|
-fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \
|
|
-fcall-saved-x18 -fomit-frame-pointer
|
|
CFLAGS_REMOVE_atomic_ll_sc.o := -pg
|
|
GCOV_PROFILE_atomic_ll_sc.o := n
|
|
KASAN_SANITIZE_atomic_ll_sc.o := n
|
|
KCOV_INSTRUMENT_atomic_ll_sc.o := n
|
|
UBSAN_SANITIZE_atomic_ll_sc.o := n
|
|
|
|
lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o
|